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BARSIC [14]
3 years ago
12

Find the missing probability.

Mathematics
1 answer:
Naily [24]3 years ago
4 0

Answer:

B. 7/20

Step-by-step explanation:

P(A | B) = P(A∩B) / P(B) is the formula for conditional probability

             = (7/40) / (1/2)

Copy dot flip

              = 7/40 * 2/1

              =7/20

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Determine whether the following sequence is geometric. If so, find the common ratio.
Doss [256]

Geometric sequence

-5 each term is multiplied by -5

7 0
3 years ago
Read 2 more answers
What is the slope of the line?
ValentinkaMS [17]

Answer:

m=-1

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Find points from the graph.</em>

Point (-2, 0)

Point (0, -2)

<u>Step 2: Find slope </u><em><u>m</u></em>

  1. Substitute:                    m=\frac{-2-0}{0+2}
  2. Subtract/Add:               m=\frac{-2}{2}
  3. Divide:                          m=-1

And we have our final answer!

4 0
3 years ago
a dessert recipe calls for 2 and 1/2 cups of milk and makes 5 servings how many cups of milk are needed to make for 8 servings s
melomori [17]
It would take 4 cups of milk, how I got my answer.

I first needed to know out how much milk was in 1 serving so I divided, 2.5÷5=0.5, so then I multiplied, 0.5×3=1.5, the reason I done this was because there are 3 more servings than the last, then I added, 2.5+1.5=4.

I hope this helps!
7 0
4 years ago
Find the volume of a pyramid with a square base, where the side length of the base is 16 in16\text{ in} 16 in and the height of
guapka [62]

<u>Given</u>:

Given that the side length of the base of the square pyramid is 16 inches.

The height of the pyramid is 22.1 inches.

We need to determine the volume of the square pyramid.

<u>Volume of the square pyramid:</u>

The volume of the square pyramid can be determined using the formula,

V=\frac{1}{3}Bh

where B is the area of the base and h is the height of the pyramid.

Substituting B = (16 × 16) and h = 22.1, we get;

V=\frac{1}{3}(16 \times 16)(22.1)

V=\frac{1}{3}(256)(22.1)

V=\frac{1}{3}(5657.6)

V=1885.9

Thus, the volume of the pyramid is 1885.9 cubic inches.

3 0
3 years ago
Find the values of x and y if l // m. <br> Show all work.
____ [38]

Answer:

x = 7, y = 24

Step-by-step explanation:

23x -16 + 8x - 21 = 180 because they are supplementary angles

31x - 37 = 180

31x = 217

x = 7

23(7)-16 = 7y - 23 because they are vertical angles

168 = 7y

y = 24

6 0
3 years ago
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